Bị động:

- S + should be + V3/ed 

- S + can be + V3/ed 

- S + has/have to be + V3/ed 

- S + must be + V3/ed 

- S + will be + V3/ed 

- S + may be + V3/ed 

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1. Their children shouldn't be kept at home by parents all the time.

2. Đúng 

3. More girls should be given the opportunity to have a better life by the government.

4. The room has to be tidied after the lesson.

5. These exercises can be done very quickly by my best friend,

6. Their identity cards must be shown when they enter the park.

7. My plants won't be watered when I am in Paris.

8. The way you live may be chosen.

`color{orange}{~LeAiFuRuiHuiBao~}`

`1.` Đúng

`2.` Đúng

`3.` More girls should be given the opportunity to have a better life by the goverment.

`@` Bị động modal verbs (should): S + should be + V3/ed (+ by + O)

`4.` The room has to be tidied up after the lesson.

`@` Bị động: S + have/has + to be + V3/ed (+ by + O)

`5.` These exercises can be done very quickly by my best friend

`@` Bị động modal verbs (can): S + can be + V3/ed (+ by + O)

`6.` Their identity cards must be shown when they enter the park

`@` Bị động modal verbs (must): S + must be + V3/ed (+ by + O)

`7.` My plants won't be watered when Iam in Paris

`@` Bị động TLĐ: S + will (not) be + V3/ed (+ by + O)

`8.` The way you live may be chosen

`@` Bị động modal verbs: S + may be + V3/ed (+ by + O)